package dujiu.luogu.branch;


import java.util.Scanner;

public class P5714 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double weight = scanner.nextDouble();
        double height = scanner.nextDouble();
        double BMI = weight/(height*height);
        if (BMI < 18.5){
            System.out.println("Underweight");
        } else if (BMI>=18.5 && BMI<24) {
            System.out.println("Normal");
        }else {
            System.out.printf("%.4f", BMI);
            System.out.println();
            System.out.println("Overweight");
        }
    }
}
